Toyota Avalon (XX50) 2019-2022 Service & Repair Manual: Torque Sensor Zero Point Adjustment Undone (C1515)

DESCRIPTION

This DTC does not indicate a malfunction. The power steering ECU (rack and pinion power steering gear assembly) stores this DTC when it determines that torque sensor zero point calibration has not been performed.

When the IG terminal voltage is below 8 V, torque sensor zero point calibration cannot be performed.

CAUTION / NOTICE / HINT

NOTICE:

If the rack and pinion power steering gear assembly has been replaced, perform assist map writing and torque sensor zero point calibration.

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PROCEDURE

(a) Calibrate the torque sensor zero point. (Step 1)

(b) Check for DTCs. (Step 2)

HINT:

If DTCs are output, perform steps (1) and (2) two more times.

A

REPLACE RACK AND PINION POWER STEERING GEAR ASSEMBLY

B

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